{"nhtsa_id":630288,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-04-16","date":"2001-10-01","document_id":"012005","mfr_campaign":null,"replaces":null,"component":"FUEL SYSTEM, GASOLINE:CARBURETOR SYSTEM","mfr_system":null,"summary":"CONCERNS WITH DIAGNOSTIC TROUBLE CODES P0171, AND/OR P0174 - DETECTING VACUUM LEAKS IN THE INTAKE MANIFOLD. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/630288","components":[{"id":"fuel-system","name":"Fuel system","parent":null}],"codes":["P0171","P0174"],"topics":[],"vehicles":[{"make":"FORD","model":"FORD","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}